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Property Organism Value Units ID Details
Volume occupied by water Bacteria Escherichia coli 70 (Table - link) % 100044 Neidhardt F.C. Escherichia...
Half life of mRNA of 20S proteasome core protein subunit Budding yeast Saccharomyces cerevisiae 13 (±3) min 104744 Wang Y, Liu CL, Storey JD...
Diffusion Coefficient of Bicoid morphogen in cytoplasm Fruit fly Drosophila melanogaster ~0.3 (±0.1) µm^2/sec 103811 Gregor T, Wieschaus EF...
Fraction of myocardial cell volume occupied by mitochondrial matrix volume Rat Rattus norvegicus ≤35 % 116934 Anastacio MM et al.,...
Outer Membrane thickness Bacteria Escherichia coli 13 (±1.0) nm 100015 Bayer ME. Zones of membrane...
Error rate in transcription Bacteria Escherichia coli 1E-05 (5e-6 - 5e-5) mutation/nucleotide 105212 Ninio J. Connections...
Total number of cells in the human body (for a 70 kg adult man) Human Homo sapiens 3e+13 cells/human body 113006 Sender R, Fuchs S, Milo...
Average amino acid density Generic ~1310.16 mg/mL 114284 Ming-Tzo Wei et al.,...
Accuracy of DNA synthesis and apparent accuracy of DNA methylation Various DNA synthesis 1 ‘unforced’ error for every 10^7–10^8 bases copied: DNA methylation ~96% N/A 112981 Bird A. Perceptions of...
Number of rRNA genes Bacteria Vibrio natriegens 13 Unitless 100484 Aiyar SE, Gaal T, Gourse...
Extinction rate Birds 132 extinction/million species/year (E/MSY) 113446 Pimm SL et al., The ...
Cell volume Bacteria Bacillus subtilis 0.9 µm^3 114922 Jeong JW, Snay J, Ataai...
Terrestrial and oceanic global net primary production (NPP) Biosphere terrestrial 50 - 54%: oceanic 46 - 50 % 115192 Mackinder et al., A repeat...
Body length of the smallest known female spider Spider Anapistula ataecina 0.43 mm 116059 Mammola S, Michalik P...
O2 (oxygen) diffusion coefficients in water (25˚C) and luminous bacteria Various water 2,120: bacteria 4 µm^2/sec 115123 MacDougall JD, McCabe...
Estimated total number of species of organisms Biosphere 1e+7 Species 107480 Editor: Dr. Robert A. Meyers...
Leg span of the largest known spider by leg span Spider Heteropoda maxima ≤30 cm 116058 Mammola S, Michalik P...
Total circulating red cell number Human Homo sapiens 2.8e+13 cells 107601 Ballas SK. Erythrocyte...
Global amount of RuBisCO - most abundant protein on Earth Biosphere ~4e+13 grams 103827 R.J. Ellis, 1979, The...
Equilibrium association constant of lac repressor to operator and entropy change (ΔS) for the binding reaction Bacteria Escherichia coli 1e+13 M^-1 equilibrium constant: ΔS for binding reaction + 90cal/mole/deg N/A 114355 Riggs AD, Bourgeois S...